{"product_id":"organic-liquid-amino-acid-biostimulant","title":"Liquid Amino Acid Biostimulant | Foliar Feed","description":"\u003c!-- Dr Forest — Liquid Amino Acids Biostimulant Product Page --\u003e\u003c!-- Prefix: drf-la- (liquid amino) --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- Pure CSS radio-input tabs. No JavaScript. Shopify-safe. --\u003e\n\u003cstyle\u003e\n  .drf-wrap *, .drf-wrap *::before, .drf-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }\n  .drf-wrap { font-family: 'Jost', sans-serif; font-weight: 400; color: #2c2c2c; font-size: 14px; line-height: 1.65; width: 100%; max-width: 100%; overflow: hidden; }\n  :root {\n    --drf-grn:        #1B3D2F;\n    --drf-grn-light:  #E8F0EB;\n    --drf-grn-mid:    #4a7a5e;\n    --drf-grn-dark:   #0f2a1e;\n    --drf-gold:       #C5A55A;\n    --drf-gold-light: #FAF7F0;\n    --drf-cream:      #F5F2EC;\n    --drf-border:     #d4cfc5;\n    --drf-muted:      #666;\n  }\n  .drf-wrap h2 { font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 1.9em; color: var(--drf-grn); line-height: 1.25; margin-bottom: 0.5em; }\n  .drf-wrap h3 { font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 1.35em; color: var(--drf-grn); margin: 1.4em 0 0.4em; }\n  .drf-wrap h4 { font-family: 'Jost', sans-serif; font-weight: 600; font-size: 0.85em; letter-spacing: 0.1em; text-transform: uppercase; color: var(--drf-muted); margin: 1.2em 0 0.3em; }\n  .drf-wrap p { margin-bottom: 0.9em; }\n  .drf-wrap ul { padding-left: 1.2em; margin-bottom: 0.9em; }\n  .drf-wrap ul li { margin-bottom: 0.35em; }\n  .drf-wrap strong { font-weight: 600; color: var(--drf-grn); }\n  .drf-wrap em { font-style: italic; color: var(--drf-muted); }\n\n  .drf-badge-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin: 0 0 12px; }\n  .drf-badge { padding: 9px 12px; border-radius: 2px; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; display: flex; align-items: center; justify-content: center; text-align: center; min-height: 36px; line-height: 1.3; }\n  .drf-badge-green { background: #eaf4ea; color: #2d6a2d; border: 1px solid #c0d8b0; }\n\n  .drf-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--drf-border); border: 1px solid var(--drf-border); margin: 1.2em 0; max-width: 100%; }\n  .drf-stat { background: var(--drf-grn-light); padding: 0.6em 0.5em; text-align: center; }\n  .drf-stat-number { font-family: 'Cormorant Garamond', serif; font-size: 1.35em; font-weight: 700; color: var(--drf-grn); line-height: 1.1; display: block; }\n  .drf-stat-label { font-size: 0.6em; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--drf-muted); display: block; margin-top: 0.15em; }\n\n  .drf-tabs-wrap { max-width: 100%; overflow: hidden; }\n  .drf-tabs-wrap input[type=\"radio\"] { display: none; }\n  .drf-tab-labels { display: flex; align-items: stretch; border-bottom: 2px solid var(--drf-border); margin-bottom: 1.2em; }\n  .drf-tab-labels label { flex: 1 1 0; padding: 0.75em 0.4em; font-size: 0.82em; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: #8b6914; background: var(--drf-gold-light); cursor: pointer; text-align: center; display: flex; align-items: center; justify-content: center; border-bottom: 3px solid var(--drf-gold); margin-bottom: -2px; transition: all 0.15s; }\n  .drf-tab-labels label:hover { color: var(--drf-grn); background: var(--drf-grn-light); border-bottom-color: var(--drf-grn); }\n  .drf-panel { display: none; }\n  #drf-la-tab1:checked ~ .drf-tab-labels label[for=\"drf-la-tab1\"],\n  #drf-la-tab2:checked ~ .drf-tab-labels label[for=\"drf-la-tab2\"],\n  #drf-la-tab3:checked ~ .drf-tab-labels label[for=\"drf-la-tab3\"],\n  #drf-la-tab4:checked ~ .drf-tab-labels label[for=\"drf-la-tab4\"] { color: var(--drf-grn); background: var(--drf-grn-light); border-bottom-color: var(--drf-grn); font-weight: 700; }\n  #drf-la-tab1:checked ~ .drf-panels #drf-la-panel1,\n  #drf-la-tab2:checked ~ .drf-panels #drf-la-panel2,\n  #drf-la-tab3:checked ~ .drf-panels #drf-la-panel3,\n  #drf-la-tab4:checked ~ .drf-panels #drf-la-panel4 { display: block; }\n\n  .drf-callout { background: var(--drf-grn-light); border-left: 3px solid var(--drf-grn); padding: 1em 1.2em; margin: 1.2em 0; border-radius: 0 3px 3px 0; }\n  .drf-callout-gold { background: var(--drf-gold-light); border-left-color: var(--drf-gold); }\n  .drf-callout p:last-child { margin-bottom: 0; }\n  .drf-callout-title { font-size: 0.72em; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--drf-grn); margin-bottom: 0.4em; display: block; }\n  .drf-callout-gold .drf-callout-title { color: var(--drf-gold); }\n\n  .drf-mech { border: 1px solid var(--drf-border); border-left: 3px solid var(--drf-gold); padding: 1em 1.2em; margin: 0.8em 0; border-radius: 0 3px 3px 0; background: var(--drf-grn-light); }\n  .drf-mech-num { font-family: 'Cormorant Garamond', serif; font-size: 2em; font-weight: 600; color: var(--drf-gold); line-height: 1; }\n  .drf-mech h4 { margin-top: 0.2em; color: var(--drf-grn); text-transform: none; letter-spacing: 0; font-size: 1em; }\n  .drf-mech p { font-size: 0.92em; color: #555; margin-bottom: 0; }\n\n  .drf-rate { border: 1px solid var(--drf-border); padding: 1em 1.2em; margin: 0.8em 0; border-radius: 3px; background: var(--drf-grn-light); }\n  .drf-rate h4 { margin-top: 0; color: var(--drf-grn); text-transform: none; letter-spacing: 0; font-size: 1em; font-family: 'Cormorant Garamond', serif; border-bottom: 1px solid var(--drf-border); padding-bottom: 0.5em; margin-bottom: 0.6em; }\n  .drf-rate-meta { font-size: 0.85em; color: #555; margin-bottom: 0.5em; }\n  .drf-rate-meta strong { color: var(--drf-gold); }\n  .drf-rate p { font-size: 0.92em; color: #555; margin-bottom: 0; }\n\n  .drf-steps { counter-reset: drf-step; list-style: none; padding: 0; }\n  .drf-steps li { counter-increment: drf-step; padding: 0.8em 0 0.8em 3em; position: relative; border-bottom: 1px solid #eee; }\n  .drf-steps li::before { content: counter(drf-step); position: absolute; left: 0; top: 0.8em; width: 2em; height: 2em; border-radius: 50%; background: var(--drf-grn); color: #fff; font-family: 'Cormorant Garamond', serif; font-weight: 600; font-size: 0.9em; display: flex; align-items: center; justify-content: center; }\n  .drf-steps li:last-child { border-bottom: none; }\n\n  .drf-uses { list-style: none; padding: 0; }\n  .drf-uses li { padding: 0.6em 0; border-bottom: 2px solid var(--drf-gold); }\n  .drf-uses li:nth-child(even) { border-bottom-color: var(--drf-grn); }\n  .drf-uses li:last-child { border-bottom: none; }\n  .drf-uses li strong { color: var(--drf-grn); }\n\n  .drf-compare { margin: 1.2em 0; }\n  .drf-compare-box { border: 1px solid var(--drf-border); padding: 1em 1.2em; margin-bottom: 0.8em; border-radius: 3px; background: var(--drf-grn-light); }\n  .drf-compare-box h4 { margin-top: 0; color: var(--drf-grn); text-transform: none; letter-spacing: 0; font-size: 1.05em; font-family: 'Cormorant Garamond', serif; border-bottom: 2px solid var(--drf-gold); padding-bottom: 0.4em; margin-bottom: 0.6em; }\n\n  .drf-faq { border-bottom: 1px solid var(--drf-border); }\n  .drf-faq:last-child { border-bottom: none; }\n  .drf-faq input[type=\"checkbox\"] { display: none; }\n  .drf-faq-q { display: flex; justify-content: space-between; align-items: center; padding: 0.8em 0; cursor: pointer; font-weight: 600; color: var(--drf-grn); font-size: 0.95em; }\n  .drf-faq-q::after { content: '+'; font-size: 1.3em; font-weight: 300; color: var(--drf-gold); width: 1.5em; height: 1.5em; border-radius: 50%; background: var(--drf-grn-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-left: 0.6em; }\n  .drf-faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; font-size: 0.92em; color: #555; line-height: 1.7; }\n  .drf-faq-a \u003e div { padding: 0 0 1em; }\n  .drf-faq input:checked ~ .drf-faq-q::after { content: '−'; background: var(--drf-grn); color: #fff; }\n  .drf-faq input:checked ~ .drf-faq-a { max-height: 800px; }\n\n  .drf-refs { font-size: 0.78em; color: #888; line-height: 1.5; margin-top: 1.5em; padding-top: 0.8em; border-top: 1px solid var(--drf-border); }\n  .drf-refs ol { padding-left: 1.4em; margin: 0; }\n  .drf-refs li { margin-bottom: 0.3em; }\n  .drf-sep { border: none; border-top: 2px solid var(--drf-gold); margin: 1.5em 0; }\n\u003c\/style\u003e\n\u003cdiv class=\"drf-wrap\"\u003e\n\u003cdiv class=\"drf-tabs-wrap\"\u003e\n\u003cinput checked id=\"drf-la-tab1\" name=\"drf-la-tabset\" type=\"radio\"\u003e \u003cinput id=\"drf-la-tab2\" name=\"drf-la-tabset\" type=\"radio\"\u003e \u003cinput id=\"drf-la-tab3\" name=\"drf-la-tabset\" type=\"radio\"\u003e \u003cinput id=\"drf-la-tab4\" name=\"drf-la-tabset\" type=\"radio\"\u003e\n\u003cdiv class=\"drf-tab-labels\"\u003e\n\u003clabel for=\"drf-la-tab1\"\u003eOverview\u003c\/label\u003e \u003clabel for=\"drf-la-tab2\"\u003eThe Science\u003c\/label\u003e \u003clabel for=\"drf-la-tab3\"\u003eHow to Use\u003c\/label\u003e \u003clabel for=\"drf-la-tab4\"\u003eFAQ\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-panels\"\u003e\n\u003cdiv id=\"drf-la-panel1\" class=\"drf-panel\"\u003e\n\u003ch2\u003eLiquid amino acids — concentrated plant-based foliar biostimulant with 23.4% amino acids \u0026amp; 3.9% nitrogen\u003c\/h2\u003e\n\u003cdiv class=\"drf-badge-row\"\u003e\n\u003cspan class=\"drf-badge drf-badge-green\"\u003e23.4% Total Amino Acids\u003c\/span\u003e \u003cspan class=\"drf-badge drf-badge-green\"\u003e20.9% Free Amino Acids\u003c\/span\u003e \u003cspan class=\"drf-badge drf-badge-green\"\u003e3.9% Nitrogen\u003c\/span\u003e \u003cspan class=\"drf-badge drf-badge-green\"\u003eFoliar Specialist\u003c\/span\u003e \u003cspan class=\"drf-badge drf-badge-green\"\u003ePlant-Based Source\u003c\/span\u003e \u003cspan class=\"drf-badge drf-badge-green\"\u003eHigh Free Amino Ratio\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eAmino acids are the most efficiently absorbed form of nitrogen a plant can receive. When you apply inorganic nitrogen (ammonium or nitrate), the plant must convert it through multiple energy-intensive enzymatic steps into amino acids before it can build a single protein. When you apply amino acids directly, the plant absorbs them intact — \u003cstrong\u003epre-assembled, ready for immediate incorporation into proteins, enzymes, and hormones\u003c\/strong\u003e — without expending any of the metabolic energy that de novo synthesis requires. This is why amino acid foliar sprays produce such rapid, visible responses: faster green-up than urea, faster recovery from stress than any conventional nitrogen feed, and faster metabolic resumption after damage from hail, frost, herbicide, or drought.\u003c\/p\u003e\n\u003cp\u003eThis is a \u003cstrong\u003econcentrated liquid amino acid biostimulant\u003c\/strong\u003e derived entirely from plant-based protein sources — no animal by-products. It delivers \u003cstrong\u003e23.4% total amino acids (234 g\/L)\u003c\/strong\u003e including \u003cstrong\u003e20.9% free amino acids (209 g\/L)\u003c\/strong\u003e — the free amino acid fraction is the portion that is immediately available for foliar absorption without any further breakdown. The 3.9% nitrogen content provides a meaningful nitrogen contribution alongside the biostimulant effect, making this a genuine dual-function product: \u003cstrong\u003ebiostimulant and nitrogen feed in a single bottle\u003c\/strong\u003e. The mildly acidic pH (4.5–5.5) ensures rapid absorption through the leaf cuticle and stomata. Compatible with most tank-mix partners and suitable for all crops at all growth stages.\u003c\/p\u003e\n\u003cdiv class=\"drf-stats\"\u003e\n\u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e23.4%\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eTotal Amino Acids\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e20.9%\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eFree Amino Acids\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003e3.9%\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eNitrogen (N)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-stat\"\u003e\n\u003cspan class=\"drf-stat-number\"\u003epH 4.5–5.5\u003c\/span\u003e\u003cspan class=\"drf-stat-label\"\u003eOptimal Foliar pH\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhat liquid amino acids are used for\u003c\/h3\u003e\n\u003cul class=\"drf-uses\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoliar biostimulant for all plants at all growth stages\u003c\/strong\u003e — applied to foliage, the free amino acids are absorbed through stomata and cuticle within minutes; they enter the plant's metabolic system immediately, bypassing the energy-intensive process of amino acid synthesis from inorganic nitrogen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid stress recovery — post-frost, post-hail, post-herbicide, post-drought\u003c\/strong\u003e — when plants are damaged by abiotic stress, their protein synthesis machinery is impaired and energy reserves are depleted; supplying pre-formed amino acids allows the plant to resume protein production and repair without waiting for its own synthesis capacity to recover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick nitrogen correction via foliar\u003c\/strong\u003e — the 3.9% nitrogen delivered in amino acid form is the fastest-acting organic nitrogen available; at the higher application rate (10 ml\/L), it provides a rapid foliar nitrogen top-up that greens up chlorotic foliage within days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosting flowering, fruit set and crop quality\u003c\/strong\u003e — amino acids are precursors to flowering hormones, flavour compounds, and aromatic volatiles; regular foliar applications during flowering and fruit fill increase protein content, sugar accumulation, flavour complexity, and post-harvest shelf life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhancing nutrient uptake efficiency\u003c\/strong\u003e — amino acids are natural chelators that bind mineral ions into organic complexes more easily absorbed by root and leaf cells; applying amino acids alongside mineral foliar feeds increases the uptake efficiency of every nutrient in the spray solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStimulating natural growth processes\u003c\/strong\u003e — specific amino acids function as growth regulators in their own right; L-Tryptophan is the precursor to auxin (the root growth hormone); L-Methionine is the precursor to ethylene (the ripening hormone); L-Proline is the primary osmolyte for stress tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproving lawn colour, density and recovery\u003c\/strong\u003e — foliar spray on lawns at 3 ml\/L every 10–14 days produces rapid green-up, improved tillering, and faster recovery from wear, drought, and mowing stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupporting sustainable, low-input growing\u003c\/strong\u003e — amino acid biostimulants increase the efficiency of every other input; plants that absorb nutrients more efficiently and photosynthesise more productively need less total fertiliser and water to achieve the same or better results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLiquid amino acids vs amino acid powder — which to use\u003c\/h3\u003e\n\u003cdiv class=\"drf-compare\"\u003e\n\u003cdiv class=\"drf-compare-box\"\u003e\n\u003ch4\u003eLiquid Amino Acids (this product)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReady-to-dilute liquid — no dissolving, no measuring powder, no residue\u003c\/li\u003e\n\u003cli\u003e23.4% total amino acids, 20.9% free amino acids, 3.9% nitrogen\u003c\/li\u003e\n\u003cli\u003eDesigned as a foliar specialist — the liquid format and pH 4.5–5.5 ensure rapid leaf absorption\u003c\/li\u003e\n\u003cli\u003eIdeal for quick-response applications: stress recovery, nitrogen correction, mid-season foliar programmes\u003c\/li\u003e\n\u003cli\u003eLower amino acid concentration than the powder — designed for frequent, dilute application\u003c\/li\u003e\n\u003cli\u003ePlant-based protein hydrolysate — no animal by-products\u003c\/li\u003e\n\u003cli\u003eThe better choice for growers who want a simple, ready-to-use liquid foliar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-compare-box\"\u003e\n\u003ch4\u003eDr Forest Amino Acid Powder (13-0.3-8)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e84.8% total amino acids — nearly 4× the concentration of the liquid\u003c\/li\u003e\n\u003cli\u003e17 individually identified L-type amino acids with full aminogram\u003c\/li\u003e\n\u003cli\u003e13% nitrogen, 8% potassium, 3,000 ppm chelated iron, 500 ppm magnesium\u003c\/li\u003e\n\u003cli\u003eWater-soluble micro-granules — dissolves instantly for foliar, soil drench, fertigation, and seed soak\u003c\/li\u003e\n\u003cli\u003eHigher concentration allows lower application rates per litre\u003c\/li\u003e\n\u003cli\u003eThe better choice for growers who want maximum amino acid and mineral content, iron chlorosis correction, or multi-method application (foliar + soil + seed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"drf-la-panel2\" class=\"drf-panel\"\u003e\n\u003ch2\u003eThe science of foliar amino acid absorption: why liquid amino acids produce the fastest visible response of any organic input\u003c\/h2\u003e\n\u003ch3\u003eHow plants absorb amino acids through leaves\u003c\/h3\u003e\n\u003cp\u003eThe leaf surface is not a sealed barrier. It is punctuated by thousands of stomata (gas exchange pores) and covered by a waxy cuticle that, while designed to prevent water loss, is permeable to small organic molecules — particularly at the mildly acidic pH range (4.5–6.0) where most amino acids carry a net neutral charge. At this pH, amino acids exist as zwitterions — molecules with both positive and negative charges that cancel out, making them small, uncharged, and able to pass through the cuticle and stomatal pores with remarkable efficiency.\u003c\/p\u003e\n\u003cp\u003eThis product has a pH of \u003cstrong\u003e4.5–5.5\u003c\/strong\u003e — exactly in the optimal range for foliar amino acid absorption. The free amino acid fraction (20.9% — the majority of the total amino acid content) requires no further enzymatic breakdown before absorption. The molecules are ready to cross the leaf surface and enter the plant's metabolic system \u003cstrong\u003ewithin minutes of application\u003c\/strong\u003e. Once inside the leaf cells, they are incorporated directly into proteins, enzymes, and hormones, or used as precursors for the synthesis of secondary metabolites (defence compounds, flavour molecules, pigments).\u003c\/p\u003e\n\u003chr class=\"drf-sep\"\u003e\n\u003ch3\u003eFive mechanisms of action\u003c\/h3\u003e\n\u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e01\u003c\/span\u003e\n\u003ch4\u003eEnergy-Free Protein Synthesis\u003c\/h4\u003e\n\u003cp\u003eSynthesising amino acids from inorganic nitrogen is the most energy-expensive process in plant metabolism — consuming up to 25% of total photosynthetic energy. Every amino acid absorbed intact through the leaf is one fewer that the plant must build from scratch. At 209 g\/L of free amino acids, a single foliar application of this product delivers billions of pre-assembled molecular building blocks that the plant incorporates directly into proteins without any energy expenditure. The energy saved is redirected to growth, flowering, fruit production, and stress defence — producing the rapid growth response that growers observe within days of application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e02\u003c\/span\u003e\n\u003ch4\u003eStress Recovery Acceleration\u003c\/h4\u003e\n\u003cp\u003eAbiotic stress (frost, hail, herbicide, drought, heat) damages the plant's protein synthesis machinery — enzymes denature, ribosomes stall, and the metabolic pathway from inorganic nitrogen to finished amino acid slows or stops. Meanwhile, the plant urgently needs new proteins to repair damaged tissue. This creates a metabolic crisis: the plant needs proteins faster than it can build them. Supplying pre-formed amino acids through foliar spray breaks this bottleneck — the plant receives the finished building blocks it cannot currently manufacture, allowing repair to begin immediately. This is why amino acid foliar sprays are the most effective recovery treatment after stress events.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e03\u003c\/span\u003e\n\u003ch4\u003eNatural Chelation — Mineral Uptake Enhancer\u003c\/h4\u003e\n\u003cp\u003eAmino acids bind mineral ions (iron, zinc, copper, manganese, calcium) into small organic complexes that cross cell membranes more easily than free mineral ions. When applied alongside a mineral foliar feed or micronutrient spray, the amino acids chelate the minerals and carry them into the leaf cell — significantly increasing the percentage of applied mineral that is actually absorbed. This is why amino acid sprays are recommended as tank-mix partners with micronutrient applications: they multiply the effectiveness of every mineral in the spray solution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e04\u003c\/span\u003e\n\u003ch4\u003eGrowth Hormone Precursors\u003c\/h4\u003e\n\u003cp\u003eSeveral amino acids are direct precursors to plant hormones. L-Tryptophan is the precursor to indole-3-acetic acid (IAA) — the primary auxin that drives root initiation and elongation. L-Methionine is the precursor to ethylene via S-adenosylmethionine (SAM) — the hormone that regulates fruit ripening. L-Arginine is the precursor to polyamines — compounds that regulate cell division and stress tolerance. Supplying these amino acids via foliar spray ensures the plant's hormone production pathways are never substrate-limited.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-mech\"\u003e\n\u003cspan class=\"drf-mech-num\"\u003e05\u003c\/span\u003e\n\u003ch4\u003eBioactive Compound Enhancement\u003c\/h4\u003e\n\u003cp\u003eThe flavour, aroma, colour, and nutritional value of fruit and vegetables are produced by secondary metabolites — phenolics, flavonoids, anthocyanins, terpenes, vitamins — that are all synthesised from amino acid precursors. L-Phenylalanine is the entry point for the entire phenylpropanoid pathway (lignin, flavonoids, phenolic defence compounds). L-Tyrosine is the precursor to betalain pigments. L-Cysteine feeds glutathione biosynthesis (the plant's master antioxidant). Regular amino acid foliar applications ensure these pathways run at full capacity, producing crops with measurably higher flavour compound, vitamin, and antioxidant content.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-refs\"\u003e\n\u003ch4\u003eScientific References\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eColla, G. et al. (2015). Protein hydrolysates as biostimulants in horticulture. \u003cem\u003eScientia Horticulturae\u003c\/em\u003e, 196, 28–38.\u003c\/li\u003e\n\u003cli\u003edu Jardin, P. (2015). Plant biostimulants: definition, concept, main categories and regulation. \u003cem\u003eScientia Horticulturae\u003c\/em\u003e, 196, 3–14.\u003c\/li\u003e\n\u003cli\u003eErtani, A. et al. (2009). Biostimulant activity of two protein hydrolysates. \u003cem\u003eJ. Plant Nutrition and Soil Science\u003c\/em\u003e, 172(2), 237–244.\u003c\/li\u003e\n\u003cli\u003eFernández, V. \u0026amp; Eichert, T. (2009). Uptake of hydrophilic solutes through plant leaves: current state of knowledge and perspectives of foliar fertilization. \u003cem\u003eCritical Reviews in Plant Sciences\u003c\/em\u003e, 28(1–2), 36–68.\u003c\/li\u003e\n\u003cli\u003eAshraf, M. \u0026amp; Foolad, M.R. (2007). Roles of glycine betaine and proline in improving plant abiotic stress resistance. \u003cem\u003eEnvironmental and Experimental Botany\u003c\/em\u003e, 59(2), 206–216.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"drf-la-panel3\" class=\"drf-panel\"\u003e\n\u003ch2\u003eHow to use liquid amino acids: foliar spray rates \u0026amp; application guide\u003c\/h2\u003e\n\u003cdiv class=\"drf-callout drf-callout-gold\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eDesigned for foliar application\u003c\/span\u003e\n\u003cp\u003eThis is a foliar specialist — the liquid format, pH 4.5–5.5, and high free amino acid content are optimised for leaf absorption. While it can be used as a soil drench, foliar spray is the primary and most effective application method. Shake well before use. Apply in morning or evening when the sun is not intense, to minimise the risk of leaf scorch and maximise stomatal uptake.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eApplication rates\u003c\/h3\u003e\n\u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eGeneral foliar spray — all plants, all growth stages\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 3 ml per litre of water  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Every 10–14 days during active growth\u003c\/div\u003e\n\u003cp\u003eShake well. Mix 3 ml per litre of water and apply as a fine foliar spray to both upper and lower leaf surfaces. Apply in the early morning or late evening when stomata are open and evaporation is minimal. This is the standard maintenance rate for routine biostimulant application throughout the growing season — from planting through harvest. Suitable for all plants: vegetables, fruit, herbs, roses, ornamentals, lawns, shrubs, and trees. Regular application produces cumulative improvements in growth rate, leaf colour, stress tolerance, and crop quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eAbiotic stress foliar — post-frost, post-hail, post-herbicide, post-drought\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 4 ml per litre of water  |  \u003cstrong\u003eTiming:\u003c\/strong\u003e As soon as possible after the stress event\u003c\/div\u003e\n\u003cp\u003eApply at 4 ml\/L as a recovery spray immediately after a stress event — frost damage, hail damage, herbicide stress, drought recovery, or heat shock. The elevated rate delivers a larger dose of pre-formed amino acids to a plant whose own protein synthesis machinery is impaired. The amino acids allow repair to begin immediately without waiting for the plant's own recovery. Can also be applied \u003cstrong\u003ebefore\u003c\/strong\u003e an anticipated stress event (forecast frost or heatwave) to pre-load the plant with osmolytes and defence precursors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eQuick nitrogen correction — foliar\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 10 ml per litre of water  |  \u003cstrong\u003eTiming:\u003c\/strong\u003e When nitrogen deficiency symptoms appear\u003c\/div\u003e\n\u003cp\u003eAt 10 ml\/L, this rate delivers a concentrated dose of amino acid-form nitrogen — the fastest-acting organic nitrogen available via foliar spray. Use when you see nitrogen deficiency symptoms: pale green or yellowing lower leaves, reduced growth rate, stunted development. The amino acid nitrogen is absorbed through the leaves and enters the metabolic system within minutes — far faster than urea or any soil-applied nitrogen source. This is a correction rate, not a maintenance rate — revert to 3 ml\/L once the deficiency is resolved.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-rate\"\u003e\n\u003ch4\u003eLawn foliar\u003c\/h4\u003e\n\u003cdiv class=\"drf-rate-meta\"\u003e\n\u003cstrong\u003eRate:\u003c\/strong\u003e 3 ml per litre of water  |  \u003cstrong\u003eFrequency:\u003c\/strong\u003e Every 10–14 days\u003c\/div\u003e\n\u003cp\u003eApply with a sprayer or watering can fitted with a rose. The amino acids drive rapid green-up, improve tillering (lateral shoot production for density), and enhance drought tolerance. Particularly effective as a recovery spray after heavy use, drought, or scalping. Combine with Dr Forest \u003cstrong\u003eBrix+\u003c\/strong\u003e for a dual biostimulant foliar programme on lawns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eStep-by-step foliar application\u003c\/h3\u003e\n\u003col class=\"drf-steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake the bottle well.\u003c\/strong\u003e Amino acid liquids can settle or stratify during storage. Agitate thoroughly before measuring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasure and dilute.\u003c\/strong\u003e Add the measured amount (3 ml\/L standard, 4 ml\/L stress, 10 ml\/L nitrogen correction) to water. Stir briefly. The liquid mixes instantly with no residue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpray in cool conditions.\u003c\/strong\u003e Apply in early morning or late evening. Avoid midday sun — heat closes stomata (reducing absorption) and accelerates evaporation (reducing contact time). High humidity improves uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover both leaf surfaces.\u003c\/strong\u003e Spray upper and lower leaf surfaces as a fine mist. The underside of the leaf has a higher stomatal density and absorbs the solution more efficiently than the top surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeat regularly.\u003c\/strong\u003e Amino acid biostimulant effects are cumulative. Consistent application every 10–14 days throughout the season produces the strongest overall results — not a single high-dose application.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"drf-callout drf-callout-gold\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eImportant handling notes\u003c\/span\u003e\n\u003cp\u003eDo not mix with strongly alkaline products — perform a jar test to confirm compatibility with other products before tank mixing. Do not pre-mix or store in diluted form — make fresh each time. Store frost-free in a cool, dark place. At temperatures below 5°C the product may crystallise. Avoid contact with eyes and skin. Keep out of reach of children. If swallowed, seek medical advice. Shelf life approximately 2 years when stored correctly in the original unopened packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-callout\"\u003e\n\u003cspan class=\"drf-callout-title\"\u003eWorks well combined with…\u003c\/span\u003e\n\u003cp\u003eTank-mix with Dr Forest \u003cstrong\u003eBrix+\u003c\/strong\u003e for a combined amino acid + growth hormone foliar programme — the amino acids provide building blocks, the Brix+ triacontanol and cytokinins provide the metabolic signals. Add to Dr Forest \u003cstrong\u003eSeaweed Powder\u003c\/strong\u003e foliar sprays for complementary trace minerals and polysaccharides. Use alongside \u003cstrong\u003eActivated Biochar Condensate\u003c\/strong\u003e soil drenches on alternate weeks — karrikins from the condensate stimulate growth, amino acids from this product provide the building blocks. Feed with Dr Forest granular fertilisers as the base NPK — the amino acids increase the efficiency of nutrient uptake from the soil fertiliser programme.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"drf-la-panel4\" class=\"drf-panel\"\u003e\n\u003ch2\u003eFrequently asked questions about liquid amino acids\u003c\/h2\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq1\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq1\" class=\"drf-faq-q\"\u003eWhat is the difference between this and the amino acid powder?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eThis liquid contains 23.4% total amino acids with 3.9% nitrogen — designed as a ready-to-dilute foliar specialist for frequent, low-concentration application. The Dr Forest Amino Acid Powder contains 84.8% total amino acids with 13% nitrogen, 8% potassium, and 3,000 ppm chelated iron — it is a higher-concentration product suitable for foliar, soil drench, fertigation, and seed soak. The liquid is simpler to use (no dissolving required) and optimised for foliar absorption. The powder is more versatile and more concentrated. Both are effective; choose based on your preferred application method and whether you need the additional iron, potassium, and multi-method flexibility of the powder.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq2\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq2\" class=\"drf-faq-q\"\u003eIs this a fertiliser or a biostimulant?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eBoth. At 3.9% nitrogen, it delivers a meaningful nitrogen contribution — particularly at the higher application rate (10 ml\/L) for nitrogen correction. But its primary value is the biostimulant effect: the 20.9% free amino acids that the plant absorbs intact and incorporates directly into proteins, bypassing the energy cost of synthesis. This energy saving is what produces the rapid growth, stress recovery, and quality improvements that distinguish an amino acid biostimulant from a simple nitrogen feed. Use alongside a base NPK fertiliser for complete nutrition.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq3\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq3\" class=\"drf-faq-q\"\u003eWhat does \"free amino acids\" mean?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eFree amino acids are individual amino acid molecules that are not bound to other amino acids in peptide chains. They are the fraction that is immediately available for absorption through leaf surfaces — no further enzymatic breakdown is required. This product contains 20.9% free amino acids out of 23.4% total — meaning the vast majority of the amino acid content is in the immediately absorbable free form. The remaining 2.5% is in short peptide chains that are rapidly broken down by leaf-surface enzymes after application. This high free-to-total ratio is what makes this product so fast-acting as a foliar.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq4\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq4\" class=\"drf-faq-q\"\u003eCan I use it as a soil drench?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eYes — although foliar is the primary and most efficient application method. As a soil drench, apply at 3–5 ml\/L and water into the root zone. The amino acids will be absorbed by roots and also feed rhizosphere micro-organisms. However, the product's strength is its foliar efficiency — the pH, concentration, and free amino acid content are all optimised for leaf absorption. If you primarily want a soil-applied amino acid product, the Amino Acid Powder (which also contains iron, potassium, and humic\/fulvic acid) is the better choice.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq5\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq5\" class=\"drf-faq-q\"\u003eIs it plant-based?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eYes. Derived entirely from plant-based protein sources through enzymatic hydrolysis — no animal by-products, no slaughterhouse waste. The amino acids are produced by breaking down specially selected plant proteins into their constituent free amino acids. Suitable for vegan growers.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq6\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq6\" class=\"drf-faq-q\"\u003eWhen is the best time to spray?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eEarly morning or late evening — when stomata are open, humidity is higher, and the sun is not intense enough to cause rapid evaporation or leaf scorch. Avoid spraying in full midday sun. High humidity conditions (overcast, dewy mornings) produce the best foliar absorption because the spray solution stays liquid on the leaf surface longer, giving the amino acids more time to cross the cuticle.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq7\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq7\" class=\"drf-faq-q\"\u003eCan I tank-mix it with other sprays?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eYes — compatible with most fertilisers and plant protection products. Perform a jar test before mixing with products you have not combined before: mix a small amount at the intended dilution ratios and check for precipitation, clumping, or colour change. Do not mix with strongly alkaline (high-pH) products. The mildly acidic pH of this product can actually improve the efficacy of tank-mixed foliar feeds by bringing the solution closer to the optimal absorption range for most nutrients.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"drf-faq\"\u003e\n\u003cinput id=\"drf-la-faq8\" type=\"checkbox\"\u003e\u003clabel for=\"drf-la-faq8\" class=\"drf-faq-q\"\u003eHow should I store it?\u003c\/label\u003e\n\u003cdiv class=\"drf-faq-a\"\u003e\n\u003cdiv\u003eStore frost-free in a cool, dark place. Keep the cap tightly closed after each use. At temperatures below 5°C the product may crystallise — if this happens, allow to return to room temperature and shake well before use. Shelf life approximately 2 years when stored correctly in the original unopened packaging. Do not store in diluted form — make fresh spray solutions each time.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dr Forest","offers":[{"title":"500ml","offer_id":56334840037750,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true},{"title":"1 litre","offer_id":56334840070518,"sku":null,"price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0049\/8194\/8504\/files\/liquid-amino-acids-natural-bio-stimulant-organic-certified-aco-964.webp?v=1772229801","url":"https:\/\/www.drforest.co.uk\/products\/organic-liquid-amino-acid-biostimulant","provider":"Dr Forest","version":"1.0","type":"link"}